CN106972502A - A kind of series capacitor segmented compensation device - Google Patents
A kind of series capacitor segmented compensation device Download PDFInfo
- Publication number
- CN106972502A CN106972502A CN201710279308.8A CN201710279308A CN106972502A CN 106972502 A CN106972502 A CN 106972502A CN 201710279308 A CN201710279308 A CN 201710279308A CN 106972502 A CN106972502 A CN 106972502A
- Authority
- CN
- China
- Prior art keywords
- series capacitor
- leading
- out terminal
- speed eddy
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1807—Arrangements for adjusting, eliminating or compensating reactive power in networks using series compensators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The present invention relates to a kind of series capacitor segmented compensation device, including capacitor bank, electric discharge damper RL, high-speed eddy switch K0, K1, K2；The end of incoming cables of the electric discharge damper RL is connected with series capacitor C1 end of incoming cables, and the end of incoming cables that leading-out terminal switchs K0 with high-speed eddy is connected, and high-speed eddy switch K0 leading-out terminal is connected with series capacitor C3 leading-out terminal；The end of incoming cables of the high-speed eddy switch K1 is connected with series capacitor C1 leading-out terminal, and leading-out terminal is connected with series capacitor C2 leading-out terminal；The end of incoming cables of the high-speed eddy switch K2 is connected with series capacitor C2 leading-out terminal, and leading-out terminal is connected with series capacitor C3 leading-out terminal.The present invention is simple in construction, safe and reliable, and the size of load is conveyed according to circuit, the series capacitor of circuit different capabilities can be put into, improve the quality of voltage of circuit, power transmission distance and increase conveying capacity are increased, the stability of system is improved, so as to improve the comprehensive utilization ratio of electric energy.
Description
Technical field
The present invention relates to electric power system power distribution equipment Series Compensation field, especially a kind of series capacitor segmented
Compensation device.
Background technology
With expanding economy, with the sharp increase of electric load, the increase of net capacity, the short circuit current flow constantly increased
Impact to power system electrical equipment is increasing；Meanwhile, the connecting-disconnecting function of existing breaker be difficult to satisfaction cut-off it is huge
Big short circuit current flow.Therefore to solve this great difficult problem, the mode that current-limiting reactor is concatenated in loop is widely used in electric power
In system electrical power trans mission/distribution system.Though current-limiting reactor series connection in the loop can limiting short-circuit current intensity, reduce short circuit current flow to electricity
The impact of electrical equipment in Force system, and maintain busbar voltage, it is to avoid the further expansion of short trouble.But current limliting of connecting electricity
Anti- device but has many weak points, first, and huge reactive loss is produced in current-limiting reactor series loop and is also caused to user
Very big financial burden；Secondly, when choosing the reactance value of current-limiting reactor, often exist and meet wanting for limiting short-circuit current
After asking, the contradiction of user terminal brownout under rated current.During the long distance delivery of power system transmission and distribution network, power transmission line
Road can also produce induction reactance, the reactor in a kind of stealthy, potential concatenation user load loop substantially equally formd, together
Sample causes the reduction of user terminal voltage, while there is larger reactive loss again.
The content of the invention
It is an object of the invention to provide a kind of size that load is conveyed according to circuit, the electric capacity of circuit different capabilities is put into
Device, improves the quality of voltage of circuit, increases power transmission distance and increase conveying capacity, improves the reliability of power supply and the string of security
Join capacitor subsection formula compensation device.
To achieve the above object, present invention employs following technical scheme：A kind of series capacitor segmented compensation device,
Including be followed in series to form by series capacitor C1, C2, C3 capacitor bank, the electric discharge for limiting capacitance device group discharge current
Damper RL, high-speed eddy switch K0, the height for controlling series capacitor C2 throwing to move back for quick protective condenser group
Speed vortex switch K1, and switch K2 for the high-speed eddy for controlling series capacitor C3 throwing to move back；The electric discharge damper RL
End of incoming cables be connected with series capacitor C1 end of incoming cables, electric discharge damper RL leading-out terminal switchs K0 inlet wire with high-speed eddy
End is connected, and high-speed eddy switch K0 leading-out terminal is connected with series capacitor C3 leading-out terminal；The high-speed eddy switch K1's
End of incoming cables is connected with series capacitor C1 leading-out terminal, the leading-out terminal of high-speed eddy switch K1 leading-out terminal and series capacitor C2
It is connected；The end of incoming cables of the high-speed eddy switch K2 is connected with series capacitor C2 leading-out terminal, and high-speed eddy switch K2's goes out
Line end is connected with series capacitor C3 leading-out terminal.
The electric discharge damper RL is composed in parallel by inductance L and resistance R.
Described high-speed eddy switch K0, K1, K2 are the vacuum extinction breaker of vortex driving.
Described high-speed eddy switch K0, K1, K2 control its on/off switch by the controller in power distribution cabinet.
The capacitor bank, electric discharge damper RL, high-speed eddy switch K0, high-speed eddy switch K1, high-speed eddy switch
K2 is installed in power distribution cabinet.
As shown from the above technical solution, the present invention is simple in construction, safe and reliable, and the size of load is conveyed according to circuit, can
The series capacitor of circuit different capabilities is put into, improves the quality of voltage of circuit, power transmission distance and increase conveying capacity is increased, carries
The high stability of system, so as to improve the comprehensive utilization ratio of electric energy.
Brief description of the drawings
Fig. 1 is electrical schematic diagram of the invention.
Embodiment
As shown in figure 1, a kind of series capacitor segmented compensation device, including gone here and there successively by series capacitor C1, C2, C3
Join the capacitor bank constituted, the electric discharge damper RL for limiting capacitance device group discharge current, for quick protective condenser group
High-speed eddy switch K0, for controlling the high-speed eddy that series capacitor C2 throwings move back to switch K1, and for controlling to connect
The high-speed eddy switch K2 that capacitor C3 throwing is moved back；The end of incoming cables and series capacitor C1 end of incoming cables of the electric discharge damper RL
It is connected, electric discharge damper RL leading-out terminal is connected with the end of incoming cables that high-speed eddy switchs K0, and high-speed eddy switchs K0 leading-out terminal
It is connected with series capacitor C3 leading-out terminal；The end of incoming cables of the high-speed eddy switch K1 and series capacitor C1 leading-out terminal phase
Even, high-speed eddy switch K1 leading-out terminal is connected with series capacitor C2 leading-out terminal；The high-speed eddy switchs K2 inlet wire
End is connected with series capacitor C2 leading-out terminal, the leading-out terminal phase of high-speed eddy switch K2 leading-out terminal and series capacitor C3
Even.
As shown in figure 1, the electric discharge damper RL is composed in parallel by inductance L and resistance R.Electric discharge damper RL is used to limit
The discharge impact electric current of capacitor bank processed, prevents capacitor bank from being damaged due to excessively stream, capacitor bank both end voltage is limited
System is in a relatively low level, and the capacity of such capacitor bank can greatly reduce, and its cost can be greatly reduced naturally, simultaneously
The volume of equipment has obtained effective control, the voltage matter of solution power system long range heavy load transmission of electricity that can be fully effective
Amount problem.
Described high-speed eddy switch K0, K1, K2 are the vacuum extinction breaker of vortex driving.
Described high-speed eddy switch K0, K1, K2 control its on/off switch by the controller in power distribution cabinet.
The capacitor bank, electric discharge damper RL, high-speed eddy switch K0, high-speed eddy switch K1, high-speed eddy switch
K2 is installed in power distribution cabinet.
The capacitor bank is followed in series to form by series capacitor C1, C2, C3, and the size of load is conveyed according to circuit,
The series capacitor of circuit different capabilities can be put into.
The operation principle of the present invention is as follows：
When circuit is normally run, the size of load is conveyed according to circuit, controls high-speed eddy to open by the controller in power distribution cabinet
The throwing for closing K0, K1, K2 various combination is moved back, and can be put into the series capacitor of circuit different capabilities, be realized that circuit series compensation can
Tonality, improves the quality of voltage of circuit, increases power transmission distance and increase conveying capacity, the stability of system is improved, so as to carry
The high comprehensive utilization ratio of electric energy.
When occurring short trouble, the controller in power distribution cabinet sends reclosing command to high-speed eddy switch K0 immediately, high
Speed vortex switch K0, by capacitor bank short circuit, prevents capacitor bank from being damaged due to overvoltage in 2ms；When capacitor bank is protected
Afterwards, electric discharge damper RL is used to limit the discharge impact electric current to capacitor bank, prevents capacitor bank from being damaged due to excessively stream.When
After short trouble excision, when line current returns to normal value, controller sends separating brake to high-speed eddy switch K0 immediately in system
Instruction, high-speed eddy switchs K0 separating brakes immediately, capacitor bank is put into circuit operation.
In summary, the present invention is simple in construction, safe and reliable, and the size of load is conveyed according to circuit, circuit can be put into not
With the series capacitor of capacity, improve the quality of voltage of circuit, increase power transmission distance and increase conveying capacity, improve system
Stability, so as to improve the comprehensive utilization ratio of electric energy.
Claims (5)
1. a kind of series capacitor segmented compensation device, it is characterised in that：Including being gone here and there successively by series capacitor C1, C2, C3
Join the capacitor bank constituted, the electric discharge damper RL for limiting capacitance device group discharge current, for quick protective condenser group
High-speed eddy switch K0, for controlling the high-speed eddy that series capacitor C2 throwings move back to switch K1, and for controlling to connect
The high-speed eddy switch K2 that capacitor C3 throwing is moved back；The end of incoming cables and series capacitor C1 end of incoming cables of the electric discharge damper RL
It is connected, electric discharge damper RL leading-out terminal is connected with the end of incoming cables that high-speed eddy switchs K0, and high-speed eddy switchs K0 leading-out terminal
It is connected with series capacitor C3 leading-out terminal；The end of incoming cables of the high-speed eddy switch K1 and series capacitor C1 leading-out terminal phase
Even, high-speed eddy switch K1 leading-out terminal is connected with series capacitor C2 leading-out terminal；The high-speed eddy switchs K2 inlet wire
End is connected with series capacitor C2 leading-out terminal, the leading-out terminal phase of high-speed eddy switch K2 leading-out terminal and series capacitor C3
Even.
2. series capacitor segmented compensation device according to claim 1, it is characterised in that：The electric discharge damper RL
Composed in parallel by inductance L and resistance R.
3. series capacitor segmented compensation device according to claim 1, it is characterised in that：The high-speed eddy switch
K0, K1, K2 are the vacuum extinction breaker of vortex driving.
4. series capacitor segmented compensation device according to claim 1, it is characterised in that：The high-speed eddy switch
K0, K1, K2 control its on/off switch by the controller in power distribution cabinet.
5. series capacitor segmented compensation device according to claim 1, it is characterised in that：The capacitor bank, put
Electrical deoscillator RL, high-speed eddy switch K0, high-speed eddy switch K1, high-speed eddy switch K2 are installed in power distribution cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279308.8A CN106972502A (en) | 2017-04-25 | 2017-04-25 | A kind of series capacitor segmented compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279308.8A CN106972502A (en) | 2017-04-25 | 2017-04-25 | A kind of series capacitor segmented compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106972502A true CN106972502A (en) | 2017-07-21 |
Family
ID=59334059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710279308.8A Pending CN106972502A (en) | 2017-04-25 | 2017-04-25 | A kind of series capacitor segmented compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106972502A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394788A (en) * | 2017-09-06 | 2017-11-24 | 安徽徽电科技股份有限公司 | A kind of voltage compensating device based on segmented series capacitor |
| CN109038612A (en) * | 2018-09-27 | 2018-12-18 | 国网河南省电力公司邓州市供电公司 | A kind of more capacitance capacitor series compensation devices of high-speed switch type |
| CN109066720A (en) * | 2018-09-27 | 2018-12-21 | 国网河南省电力公司邓州市供电公司 | A kind of transmission line of electricity capacitor string benefit cabinet |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06233452A (en) * | 1993-02-05 | 1994-08-19 | Hitachi Ltd | Current limiting device and current limiting control method |
| CN101969203A (en) * | 2010-09-20 | 2011-02-09 | 中电普瑞科技有限公司 | Three-bypass-breaker serial ultra/extra-high voltage subsection series capacitor compensation device |
| CN203339665U (en) * | 2013-05-16 | 2013-12-11 | 安徽国科电力设备有限公司 | Novel distributed series compensation system |
| CN104269859A (en) * | 2014-09-26 | 2015-01-07 | 国家电网公司 | Compensation device for distributed series capacitor |
| CN105790227A (en) * | 2016-04-20 | 2016-07-20 | 安徽伊格瑞德电气设备有限公司 | Series compensation zero-loss current limiting integrated system |
| CN105958501A (en) * | 2016-06-24 | 2016-09-21 | 安徽徽电科技股份有限公司 | Adjustable series-wound compensation apparatus for high-voltage power grid |
| CN206759058U (en) * | 2017-04-25 | 2017-12-15 | 安徽伊格瑞德电气设备有限公司 | A kind of series capacitor segmented compensation device |
-
2017
- 2017-04-25 CN CN201710279308.8A patent/CN106972502A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06233452A (en) * | 1993-02-05 | 1994-08-19 | Hitachi Ltd | Current limiting device and current limiting control method |
| CN101969203A (en) * | 2010-09-20 | 2011-02-09 | 中电普瑞科技有限公司 | Three-bypass-breaker serial ultra/extra-high voltage subsection series capacitor compensation device |
| CN203339665U (en) * | 2013-05-16 | 2013-12-11 | 安徽国科电力设备有限公司 | Novel distributed series compensation system |
| CN104269859A (en) * | 2014-09-26 | 2015-01-07 | 国家电网公司 | Compensation device for distributed series capacitor |
| CN105790227A (en) * | 2016-04-20 | 2016-07-20 | 安徽伊格瑞德电气设备有限公司 | Series compensation zero-loss current limiting integrated system |
| CN105958501A (en) * | 2016-06-24 | 2016-09-21 | 安徽徽电科技股份有限公司 | Adjustable series-wound compensation apparatus for high-voltage power grid |
| CN206759058U (en) * | 2017-04-25 | 2017-12-15 | 安徽伊格瑞德电气设备有限公司 | A kind of series capacitor segmented compensation device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394788A (en) * | 2017-09-06 | 2017-11-24 | 安徽徽电科技股份有限公司 | A kind of voltage compensating device based on segmented series capacitor |
| CN109038612A (en) * | 2018-09-27 | 2018-12-18 | 国网河南省电力公司邓州市供电公司 | A kind of more capacitance capacitor series compensation devices of high-speed switch type |
| CN109066720A (en) * | 2018-09-27 | 2018-12-21 | 国网河南省电力公司邓州市供电公司 | A kind of transmission line of electricity capacitor string benefit cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105119299B (en) | A kind of mesohigh power network distributed serial compensation system | |
| CN105790227A (en) | Series compensation zero-loss current limiting integrated system | |
| CN106972502A (en) | A kind of series capacitor segmented compensation device | |
| CN110474314A (en) | A kind of shunt capacitor overvoltage absorbing device | |
| CN108199361A (en) | A kind of high pressure self-shield string mends current limiting system | |
| CN106786434A (en) | A kind of superconductive failure current limiter | |
| CN206533122U (en) | A kind of high-voltage and current-limitation device based on current limliting zinc oxide FR | |
| CN206332444U (en) | A kind of LC series resonances current-limiting apparatus | |
| CN205724855U (en) | A kind of series compensation zero is lost current limliting integral system | |
| CN206517068U (en) | A kind of adjustable serial compensation system | |
| CN206759058U (en) | A kind of series capacitor segmented compensation device | |
| CN106786442A (en) | A kind of LC series resonances current-limiting apparatus | |
| CN205945069U (en) | High voltage electric network cascade compensation device | |
| CN105743069A (en) | Series resonance zero-loss current limiting device | |
| CN207200285U (en) | A kind of voltage compensating device based on segmented series capacitor | |
| CN106655132A (en) | Series compensation current-limiting integrated device | |
| CN106899023A (en) | A kind of adjustable serial compensation system | |
| CN206533126U (en) | A kind of self-shield current-limiting apparatus based on Fast Switch with Large Capacity FSR | |
| CN108054741A (en) | One kind is based on multi-break high-pressure system current-limiting apparatus | |
| CN205595772U (en) | Series resonance zero loss current limiting device | |
| CN206533142U (en) | A kind of self-shield series compensation device based on high energy type fuse FU | |
| CN206332445U (en) | One kind string mends current limliting integrated apparatus | |
| CN206850417U (en) | One kind is based on LC parallel resonance depth current-limiting apparatus | |
| CN206003611U (en) | Variable impedance transformer | |
| CN207664611U (en) | One kind being based on multi-break high-pressure system current-limiting apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |